A Simple Surgical Approach for the Management of Acquired Severe Lower Punctal Stenosis

Table 4

Comparison of preoperative and postoperative epiphora.

	Grade
	0, (%)	1, (%)	2, (%)	3, (%)	4, (%)
Preoperative	—	—	—	9 (37.5)	15 (65.5)
6 months (P.O.)	18 (75)	3 (12.5)	1 (4.2)	2 (8.3)	—	t = 16.2,
12 months (6 months after removal of the tube)	16 (66.7)	4 (16.7)	2 (8.3)	2 (8.3)	—	t = 15.6,

P.O., postoperative; , preoperative vs 6 months postoperative; , preoperative vs 12 months postoperative.